luctrudeau

#!/bin/bash

# Stop on first error
set -e

# !!!!! ENTER YOUR FAVORITE Y4M HERE !!!!!
SEQ=~/Videos/firefox-quantum_robot-suit-2_wallpaper-4K.y4m
if [ ! -f $SEQ ]; then
  (>&2 echo "ERROR: Failed to find $SEQ")
  (>&2 echo "Please recheck the variables")

luctrudeau

int16x4_t vadd_s16(int16x4_t a, int16x4_t b) {
  int16x4_t c;
  for (int i = 0; i < 4; i++) {
    c[i] = a[i] + b[i];
  }
  return c;
}

luctrudeau

int32x4_t vaddl_s16(int16x4_t a, int16x4_t b) {
  int32x4_t c;
  for (int i = 0; i < 4; i++) {
    c[i] = a[i] + b[i];
  }
  return c;
}

luctrudeau

// Vector long add
int32x4_t vaddl_s16_c(int16x4_t a, int16x4_t b) {
  int32x4_t c;
  for (int i = 0; i < 4; i++) {
    c[i] = a[i] + b[i];
  }
  return c;
}

luctrudeau

int32x4_t vaddw_s16_c(int32x4_t a, int16x4_t b) {
  int32x4_t c;
  for (int i = 0; i < 4; i++) {
    c[i] = a[i] + b[i];
  }
  return c;
}

luctrudeau

int16x4_t vrhadd_s16_c(int16x4_t a, int16x4_t b) {
  int16x4_t c;
  for (int i = 0; i < 4; i++) {
    c[i] = (a[i] + b[i] + 1) >> 1;
  }
  return c;
}

luctrudeau

int16x4_t vqadd_s16_c(int16x4_t a, int16x4_t b) {
  int16x4_t c;
  for (int i = 0; i < 4; i++) {
    int32_t tmp = a[i] + b[i];
    tmp = (tmp > INT16_MAX) ? INT16_MAX : tmp;
    tmp = (tmp < INT16_MIN) ? INT16_MIN : tmp;
    c[i] = (int16_t)tmp;
  }
  return c;
}

luctrudeau

int16x4_t vpadd_s16_c(int16x4_t a, int16x4_t b) {
  int16x4_t c;
  for (int i = 0; i < 2; i++) {
    c[i] = a[i * 2] + a[i * 2 + 1];
  }
  for (int i = 0; i < 2; i++) {
    c[i + 2] = b[i * 2] + b[i * 2 + 1];
  }
  return c;
}

luctrudeau

int16_t vaddv_s16_c(int16x4_t a) {
  int16_t b = 0;
  for (int i = 0; i < 4; i++) {
    b += a[i];
  }
  return b;
}

luctrudeau

uint16_t hicolor_avg(uint16_t a, uint16_t b) {
  const uint16_t s = a ^ b;
  return ((s & 0xF7DEU) >> 1) + (a & b) + (s & 0x0821U);
}